[mirror_ubuntu-jammy-kernel.git] / net / smc / smc_rx.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Shared Memory Communications over RDMA (SMC-R) and RoCE
 *
 * Manage RMBE
 *
 * Copyright IBM Corp. 2016
 *
 * Author(s):  Ursula Braun <ubraun@linux.vnet.ibm.com>
 */

#ifndef SMC_RX_H
#define SMC_RX_H

#include <linux/socket.h>
#include <linux/types.h>

#include "smc.h"

void smc_rx_init(struct smc_sock *smc);

int smc_rx_recvmsg(struct smc_sock *smc, struct msghdr *msg,
		   struct pipe_inode_info *pipe, size_t len, int flags);
int smc_rx_wait(struct smc_sock *smc, long *timeo,
		int (*fcrit)(struct smc_connection *conn));
static inline int smc_rx_data_available(struct smc_connection *conn)
{
	return atomic_read(&conn->bytes_to_rcv);
}

#endif /* SMC_RX_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
952310cc UB	2	/*
	3	* Shared Memory Communications over RDMA (SMC-R) and RoCE
	4	*
	5	* Manage RMBE
	6	*
	7	* Copyright IBM Corp. 2016
	8	*
	9	* Author(s): Ursula Braun <ubraun@linux.vnet.ibm.com>
	10	*/
	11
	12	#ifndef SMC_RX_H
	13	#define SMC_RX_H
	14
	15	#include <linux/socket.h>
	16	#include <linux/types.h>
	17
	18	#include "smc.h"
	19
	20	void smc_rx_init(struct smc_sock *smc);
9014db20 SR	21
	22	int smc_rx_recvmsg(struct smc_sock smc, struct msghdr msg,
	23	struct pipe_inode_info *pipe, size_t len, int flags);
b51fa1b1 SR	24	int smc_rx_wait(struct smc_sock smc, long timeo,
	25	int (fcrit)(struct smc_connection conn));
	26	static inline int smc_rx_data_available(struct smc_connection *conn)
	27	{
	28	return atomic_read(&conn->bytes_to_rcv);
	29	}
	30
952310cc	31	#endif /* SMC_RX_H */